Intel Xeon E5 2670 v3 's Advantages
Higher base frequency (2.3GHz vs 2GHz)
Larger L3 cache size (30MB vs 8MB)
Intel Xeon E3 1505L v5 's Advantages
Released 1 years and 1 months late
More modern manufacturing process (14nm vs 22nm)
Lower TDP (25W vs 120W)